No | Pattern | Freq | Relations |
---|---|---|---|
1 | [modal v] n't have been [prep] | 38 |
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2 | could [adv] have been [prep] | 34 |
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3 | could [not/n't] have been [prep] | 19 |
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4 | could not have been [prep] | 19 |
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5 | could n't have be [prep] | 6 |
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6 | could n't have [be] [prep] | 6 |
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7 | could n't have [been] [prep] | 6 |
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8 | could n't [verb] been [prep] | 6 |
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